Håkan Fredriksson
19Patents
4h-index
15Co-inventors
57Inventor score
Filing activity: Dec 13, 1999 → Feb 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6278411A | Horn antenna | Electricity | 81 | Expired |
| US7467548B2 | Radar level gauge system and coupling | Physics | 7 | Active |
| US9638567B2 | Radar level gauge with foldable probe | Physics | 6 | Active |
| US9291492B2 | Tank feed through structure for a radar level gauge | Emerging Cross-Sectional Technologies | 4 | Active |
| US8558679B2 | Method of analyzing the surroundings of a vehicle | Physics | 4 | Active |
| US8941532B2 | Probe spacing element | Electricity | 3 | Active |
| US8842039B2 | Guided wave radar level gauge with improved sealing arrangement | Physics | 2 | Active |
| US10969265B2 | Gauging instrument intended to be sealingly mounted on a nozzle of a tank | Physics | 2 | Active |
| US11965767B2 | Hygienic tank seal | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9212941B2 | High temperature, high pressure (HTHP) radar level gauge | Physics | 1 | Active |
| US10578478B2 | Guided wave radar level gauge system with grounded probe | Physics | 1 | Active |
| US11061134B2 | Radar level gauge system with improved feed-through | Electricity | 0 | Active |
| US10539448B2 | Radar level gauge with high temperature, high pressure (HTHP) process seal | Physics | 0 | Active |
| US10422684B2 | Field device with second auxiliary interface | Physics | 0 | Active |
| US10677635B2 | Dielectric filling member with microwave absorbing element | Electricity | 0 | Active |
| US10677634B2 | Radar level gauge system having longitudinally open two-conductor probe and method of assembly | Physics | 0 | Active |
| US12228444B2 | Tank feed through structure for a radar level gauge and a method of manufacturing a coupling arrangement for a tank feed through structure | Electricity | 0 | Active |
| US11860024B2 | Valve arrangement for a guided wave radar level gauge | Electricity | 0 | Active |
| US11846535B2 | Radar level gauge with sealing dielectric filling member and structurally reinforced element | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.